JP2005219031A - Aerosol jetting nozzle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an aerosol jetting nozzle which can be manufactured by a simple fabricating technique without necessitating an advanced fabricating technique, the constitution of which can be simplified and in which aerosol contents jetted from a jet orifice can surely be made to collide with one another so that the pressure necessary for jetting/diffusing the aerosol contents can be lowered. <P>SOLUTION: A core 10 is closely stuck to the inner peripheral surface 12 of an outer cylinder 8. A plurality of spouting passages 6 are formed between the inner peripheral surface 12 of the outer cylinder 8 and the outer peripheral surface 11 of the core 10 and communicated with a stem 2 of an aerosol vessel. The jet orifice 7 is arranged at the tip of each of the spouting passages 6. The axes extended from the spouting passages 6 are made to cross one another so that the aerosol contents jetted from the jet orifices 7 can be made to collide with one another. As a result, the pressure necessary for jetting/diffusing the aerosol contents can be lowered. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an injection nozzle for an aerosol container that reduces spray momentum by causing sprays of aerosol contents ejected from a plurality of nozzle holes to collide with each other.

JP 2000-189856 A JP 2001-38257 A

  2. Description of the Related Art Conventionally, there is a technique for obtaining a spray pattern according to the purpose of spraying aerosol contents by causing the sprays of aerosol contents ejected from a plurality of nozzle holes to collide with each other. For example, as shown in Patent Documents 1 and 2, aerosol holes are formed so as to penetrate through a plurality of cylindrical cylinders provided in an aerosol container, and the installation angles of the cylindrical cylinders are adjusted to adjust the installation angles of the cylindrical cylinders. An injection nozzle that collides the spray of the aerosol content to be ejected has been developed. And in patent document 1, it aims at making it possible to obtain various spray patterns, and patent document 2 aims at spraying the aerosol content uniformly over a wide range.

  However, when manufacturing the injection nozzle as described above, it is difficult to adjust the installation angle of the cylindrical cylinder so that the aerosol contents ejected from each injection hole can collide with each other. In addition, it takes time and labor to form a through-hole and requires many parts, so that advanced machining techniques are required, making the manufacturing complicated and the manufacturing cost high.

  The present invention is intended to solve the above-described problems, and does not require a high level of machining technique, and can ensure the aerosol contents ejected from a plurality of nozzle holes with an easy machining technique and a simple configuration. This is intended to reduce the spray diffusion force of the aerosol contents.

  The present invention attaches a core in close contact with the inner peripheral surface of the outer cylinder, and a plurality of ejection passages communicating with the stem of the aerosol container between the inner peripheral surface of the outer cylinder and the outer peripheral surface of the core. An aerosol is formed at the tip of this ejection path, and the ejection direction axis of the ejection path is formed so that the aerosol contents ejected from the plurality of ejection holes can collide with each other. The spray diffusion pressure of the aerosol contents can be reduced by the collision of the contents.

  In addition, the outer cylinder forms an inward protrusion that protrudes from the tip in the opposite direction of the plurality of ejection paths, forms the ejection path to the distal end of the inward projection, and the extension direction axes of the ejection paths intersect. It may be configured to do so.

  The outer cylinder is formed in a tapered shape with a small inner diameter on the distal end side provided with the nozzle hole and a larger inner diameter on the proximal end side, and the core has an outer diameter on the distal end side. It may be formed into a tapered shape with a small diameter and a large outer diameter on the base end side.

  Further, two ejection paths and nozzle holes may be formed and arranged at positions that are 180 ° symmetrical to each other with respect to the central axis of the outer cylinder and the core.

  Moreover, the ejection path and the nozzle hole may be formed on the inner peripheral surface of the outer cylinder.

  Moreover, the ejection path and the nozzle hole may be formed on the outer peripheral surface of the core.

  The present invention comprises an outer cylinder and a core, and has an ejection passage and an injection hole for aerosol contents between the inner peripheral surface of the outer cylinder and the outer peripheral surface of the core. By forming a mold and assembling, an injection nozzle having an ejection path and an injection hole can be easily manufactured. Therefore, it is possible to obtain an injection nozzle that can reliably collide the aerosol contents injected from each nozzle hole with an easy machine technique and a simple configuration without requiring a high machine technique, and the collision aerosol The spray diffusion pressure of the contents can be reduced, and the spray of the sprayed aerosol contents can be made into a soft and fine mist.

  In the following, an embodiment of the present invention will be described with reference to FIGS. 1 to 3. (1) is a push button for an aerosol container, and a stem connection port (3) for connecting a stem (2) is opened at the lower end. doing. The stem (2) is connected to a valve mechanism (not shown) provided inside the aerosol container body (4).

  In addition, the push button (1) is formed with an introduction path (5) for the aerosol content in the axial direction continuously above the stem connection opening (3) above the stem connection opening (3). Continuing from (5), an ejection path (6) is formed in the outer surface direction of the push button (1). And the nozzle hole (7) is formed in the outer surface of the pushbutton (1) at the front-end | tip of this ejection path (6). The ejection path (6) and the nozzle hole (7) are not formed directly on the push button (1), but are provided in the push button (1) with an outer cylinder (8) inserted and mounted separately from the push button (1). The core (10) is inserted into the outer cylinder (8). As shown in FIG. 3, the core (10) is brought into close contact with the outer cylinder (8), and the outer peripheral surface (11) of the core (10) is in close contact with the inner peripheral surface (12) of the outer cylinder (8). It is formed and arranged.

  By forming the outer cylinder (8) and the core (10) separately in this way, before inserting the core (10) into the outer cylinder (8), the outer peripheral surface ( It becomes possible to form the ejection path (6) and the nozzle hole (7) as concave grooves in 11). Then, the core (10) thus formed is closely inserted into the outer cylinder (8), and the inner peripheral surface (12) of the outer cylinder (8) is in close contact with the outer peripheral surface (11) of the core (10). By doing so, the ejection path (6) and the nozzle hole (7) can be easily formed by a molding die or the like. Therefore, unlike the prior art described above, it does not require the trouble of penetrating and forming the ejection passage (6) and the injection hole (7) in the cylindrical cylindrical body. It becomes possible to manufacture by a simple work technique. In the present embodiment, as described above, the ejection path (6) and the nozzle hole (7) are formed on the outer peripheral surface (11) of the core (10), but in other different embodiments, the ejection path ( 6) and the injection hole (7) can be formed as a concave groove on the inner peripheral surface (12) of the outer cylinder (8).

  Further, as shown in FIG. 1, an inward protruding portion (13) that protrudes inward from the distal end portion is formed on the distal end side of the inner peripheral surface (12) of the outer cylinder (8). The outer peripheral surface (11) of the core (10) can be disposed in close contact with the inner peripheral surface (12) of the outer cylinder (8) protruding from the inner protrusion (13) in this way. The shape on the tip end side of the core (10) is a shape corresponding to the inward projection (13) of the outer cylinder (11). Therefore, as shown in FIG. 1, by forming the ejection path (6) on the outer peripheral surface (11) of the core (10), each ejection path (6) is refracted in the opposite direction on the tip side, and the ejection path The extension direction axes of (6) cross each other.

  Further, in the present embodiment, as described above, by providing the inner protrusion (13) on the inner peripheral surface (12) of the outer cylinder (8), the extension direction axis of the ejection passage (6) is formed to intersect. However, in other different embodiments, the inner cylinder (8) is not provided with the inner protrusion (13), the inner diameter of the outer cylinder (8) is made smaller, and the proximal end By forming the taper shape with a large inner diameter on the side, and forming the taper shape with a small outer diameter on the distal end side of the core (10) and a large outer diameter on the base end side. The extension direction axis of the ejection path (6) formed on the outer peripheral surface (11) of the core (10) can also be crossed. By forming in this way, since the shape of the outer cylinder (8) and the core (10) becomes simpler, it is possible to reduce the manufacturing cost without the need for manufacturing.

  Moreover, as shown in FIG.1 and FIG.2, while the said ejection path (6) and nozzle hole (7) are formed in two places in a core (10), these jet paths (6) and nozzle holes (7). Are arranged so as to be 180 ° symmetrical with respect to the central axis of the core (10). In this embodiment, the jet passage (6) and the nozzle holes (7) are formed in two places, but in other different embodiments, the present invention is not limited to this, and it is possible to form more than two places. By forming a large number of ejection passages (6) and nozzle holes (7) as described above, it becomes possible to spray a large amount of aerosol contents by one injection.

  In the case where the aerosol content is jetted in the above-described configuration, the valve connected to the stem (2) is first moved by pushing the push button (1) to move the stem (2) in the lower axial direction. The mechanism opens. Thereby, the aerosol contents stored in the aerosol container body (4) are ejected to the introduction path (5) through the stem (2), and the ejected aerosol contents are discharged from the introduction path (5) to each ejection path (6 ) And finally ejected outward from the nozzle hole (7).

  At this time, as described above, since the two ejection paths (6) are formed so that the extension direction axes intersect each other, as shown in FIG. 1, from the nozzle hole (7) formed on the upper side, the aerosol content The object is ejected downward, and the aerosol contents are ejected upward from the nozzle hole (7) formed on the lower side. Therefore, the aerosol contents ejected from each nozzle hole (7) collide reliably in the ejection direction. In the present embodiment, the collision angle of the aerosol contents ejected from each nozzle hole (7) is set to about 90 ° by adjusting the refraction angle of the ejection path (6), but in other different embodiments, The refraction angle of the ejection path (6) can be changed to form another collision angle.

  In this way, since the aerosol contents ejected from each nozzle hole (7) collide with each other in the ejection direction, the spray diffusion pressure is reduced, so that the spray becomes soft and the spray pattern can be expanded. It becomes. Therefore, for example, when a fragrance is used as the aerosol content, it is possible to impart an appropriate fragrance without giving a strong stimulus to the sense of smell by a soft spray, and the spray pattern spreads. It is possible to diffuse the fragrance over a wide range by one injection. Moreover, when it uses for a deodorant, it becomes possible to acquire a uniform deodorizing effect over a wide range, without being biased only to the injected part. Further, when used as an insecticide, a large amount of spray can be sprayed over a wide range by a single injection, so that the insecticidal efficiency can be increased.

Sectional drawing of the pushbutton which mounted | wore with the outer cylinder and core which show one Example of this invention. The front view of the pushbutton which mounted | wore with the outer cylinder and the core. FIG. 3 is a cross-sectional view taken along line AA in FIG. 2.

Explanation of symbols

2 Stem 6 Ejection path 7 Injection hole 8 Outer cylinder 10 Core 11 Outer peripheral surface 12 Inner peripheral surface 13 Inward protrusion

Claims (6)

  Attaching the core in close contact with the inner peripheral surface of the outer cylinder, and forming a plurality of ejection passages communicating with the stem of the aerosol container between the inner peripheral surface of the outer cylinder and the outer peripheral surface of the core, A nozzle hole is provided at the tip of the ejection path, and the extension direction axis of the ejection path is formed so that the aerosol contents ejected from the plurality of ejection holes can collide with each other, and the collision of the aerosol contents ejected from the ejection holes An aerosol spray nozzle, characterized in that the spray diffusion pressure of the aerosol contents can be reduced.   The outer cylinder forms an inner protrusion that protrudes from the tip in the direction opposite to the plurality of ejection paths, forms the ejection path to the distal end of the inner projection, and the extension direction axes of the ejection paths intersect. The aerosol injection nozzle according to claim 1, which is configured as described above.   The outer cylinder is formed in a tapered shape with a small inner diameter on the distal end side provided with the nozzle hole and a larger inner diameter on the proximal end side, and the core has a smaller outer diameter on the distal end side. In addition, the aerosol injection nozzle according to claim 1, wherein the aerosol injection nozzle is formed in a tapered shape having a large outer diameter on the base end side.   The spray for aerosol according to claim 1, 2 or 3, wherein two jet passages and two nozzle holes are formed and arranged at positions symmetrical to each other by 180 ° with respect to the central axis of the outer cylinder and the core. nozzle.   The aerosol injection nozzle according to claim 1, wherein the ejection path and the injection hole are formed on an inner peripheral surface of the outer cylinder.   6. The aerosol injection nozzle according to claim 1, wherein the ejection path and the nozzle hole are formed on the outer peripheral surface of the core.

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